A flaw possibility of race condition and incorrect initialization of the process id was found in the Linux kernel child/parent process identification handling while filtering signal handlers. A local attacker is able to abuse this flaw to bypass checks to send any signal to a privileged process.
[
{
"events": [
{
"introduced": "0"
},
{
"fixed": "5.12"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "5.12-NA"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "5.12-rc1"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "5.12-rc2"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "5.12-rc3"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "5.12-rc4"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "8.0"
}
]
}
]
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2020-35508.json"